Door closer and check.



Lmwh

H. G. VUIGHT.

Doo oLosEB, AND 0520K,

APPLICATION FLE-D DEQ. l2, 1913.

fatentsd May 3&9, 19M.

2 SHEETS-SHEET l.

H. VQIGHT,

DOOR CLOSER AND CHECK. APPLICATION FILED 1320.12, 1913.

of the piste in this ture, so that. movement.

cheeked by reason directionv is grefluelly of the cleereasecl ares oi opening for the liquid in front or the piston. lThis :relire and checking means not @ser se, specifically form part of the present invent-i031, but is merely illustrative or' one desirable embodiment eiicl of a. standard construction.

A spring' closer nieohziiiisrri eerriehy the tubular member 4 preferably taires thev Jfollowing form. The resr emiv of the cylinder is Closedvhy threaded 'plug Z0 encl mi enter cupped nut 2l, a Washer 22 preferably heilig interposed therebetween. ihese parte are provided with alinecl threaded bores een` 'orally thereof through which extens an erljustingfihscrew 23 or e purpose hereinafter to be seen. .Within lthe member Il Yrear eetl is seated e tuhuler ieiigecl abut- Y therethrough. .the enti 'E' o T ment member 2e its rear ieee restirigagsmst the plu 2O and adjusting screw 23. Between i: is abutment member emi the outer end of the easing is lootefl e phmger the form of: a second Atul'niler flanges. abutment 'member having e longitudinal outer extension formed .with e. series of rack teeth 27 thereon. lriterpoeeci between these two abutment members 2.4: enel and mich ing oir the tubular portions thereoiis e coil closer spririg 28,*the @ms et this'spring restin egeirist' theV lisnges t will be obvious that if the plmiger shut'- merit 25, Whih is movable releti've to the abutment. 24 is movefl toward seid abutment, the spring' 2% will be compressed and will normally tend to'retrlrn the abutment 25 to its irst posit-lori.

Thereok bers 26 emi l? of the tubuiar essings 4 and 5 respectively, ere srrengefl at .opposite sides o3? their respective easings to equalize strain und must he movei in opposite fiirection simultaneously, 'to elleet e. similltsueo'iis elosi'sg :m eheoiting movement, these two bers heilig operated through e. common controlling member.. The tubuler casing l et e point in eisl eliiiement with the bushing 8 is formeel with e. bore -Previous to the closing of the lower tubular easing A5, e

said casing 'Wit eer 29 is inserted within` teeth 1ra oi recit its teeth in mesh Wl'h the bar 17, seid gear being` provided Avwith a square` bore therethrough in ariel alinement with the bushing 8. A second gear element 30 is provided, this gear element he ing rigidly formed therewith incl extending longitudinally and axially thereof et one side, e spindle embodying the rouriclefl portion 81 and a squared port-ion 82 having et its extremity s hearing 'point 33. At the opposite eiifl of the gear 30 mi sozial stud fili is provided, this sind forming' o common cont-rolling means for the two mechsiiisms 'and being ire'ferahly squared in cross section to receive the huh ot mi operating crearla:

endet its:

of ythe ebutments.

Leef-.fee

l or lever. The @ser i through the here iii the. upper rece odell i.:

against. the interior ieee of 'he tehular essiiig o et The entier 'tace 'of the gear 0 in rest upon enel he supportejhy e. Washer 3 nga/'ging' the upper elige el: the bushing 8. `he=geer member will be eer:- strueteol eugilrrehgetl to engage with the reels teeth f5?. of the' reel; her 26. r

' The upper erige et the door in arial elinement with the gears .29 end O'is counter bored, and a, flanged Wesher is thread into the threecled bore :ioririetlA in the fece, of the ,tubular 'easing 4. The equestud of the gee-r element 30 extentie' through Seial Washer. Avhub member 37 is iiiser'tetl through the bore iii the door eetl rests upon the ii'exige of the Washer 3G, the under ieee of seid hub member being; prel vided `with e squares soolet engaging Wit i the squeretl stud Se the gear element 30. The upper end of Athe huh member is reclue-eel in diameter to provide en annuler shoulcler 3.8 and e squeretl enel 39. In order to hold the eheelr. imei closer cese in position and also to provide s proper bearing for the i upper emi of this hub member, :i plete e0 preferably provided, this 'plete being set l l l l into the upper esige et the door arial resting 'on the shoulder 38 of the hub merfiber, the squared enel 39 oi; this member projecting through e bore formed in the plete, edge of the door being preferably Counter-bored to receive spacing eollsrs el resting against the upper ieee of the tubular easing i :mtl the imfler fece or the hearing plete et() so .that screws may be inserted through these collars toY stt-eeh the pisteto the easing;

lt will he obvious that the two tihnler eaisiiigs sssei'nhlekl together :mtl with mechanism clescrihefl inserte@ therein, met he inserted ss s unit in e iortise formed in the rear edge of the door, the upper edge being eouiiteoboretl es described and the hub member, holding plete, collars esti crews being subsequently epplierl. The rear end of the eheelr :mtl closer mechanism is h-irlclen from View preerebl f by means olf a. cover plate L9/set into the reet' edge ot the door and.v suitably seeuretl thereto, as by screws. This plete may be readily removecl to permit regulation of s. valve 15 of the che-citingmeehanism 'or of the seresv o the spring closer, which may be screwed irl against the abutment -l to i'rlereese'the tes sion of the ooil spring 28, or vice verse..

The lisce of the casing above the irithe @leer is out away :mtl s .ner eilge oit E plete e3 (shown in dotted lines in Eig. l) i is applied thereto, :this plate having im @loro Hin wie,

. mi wird i @d thereon c UL gears had, (ma el( 3G armed ing, the door having a mortise formed in its therethrough in the opposite direction oi:

rear edgev adjacent its upper horizontaledge, movement of said piston, said casings at said niortised portion being counter-bored their, line of junction being provided with from said iipper edge of the door, an elona bore therethrougn, alined gears in opergatedcasing, a closer mechanism mounted ative connection with said rack bars, a comtherein, a second elongated casing arrange mon' operating shaft for said 'gears exten in parallel to and rigidly connected Witlithe ing through Said bore, and an operating first and having a checking mechanism arm for said shaft.

mounted therein, said mecianisms being op- 7. A combined closer and checking case eratively connected to a common controlling embodying two casing members of Wrought member and mechanisms being inserted as an assem said connected casings an bled, idly connected together, a spring closer tubing arranged in parallel relation and rigunit Within said door mortise with said conmechanism mounted 'in one of said casing trolling member alined with Said conntermembers a iiuid checking mechanism mount# bored portion, and operatingmeans beed in the other oi said casing members, said tween said controlling means and said door members having their adjacent faces procasing including an operating arm and vided with alined bores, one of said cas- Y means of operative connection between Said Aing membershaving a separate boretheren arm and said door casing.

5. Iii combination with a door and its oas' and checking-mechanism extending transf through in axial alinemeiit with said other bores, and an operating shaft for said closer ing, the door having a mortise formed in its versely oi' said casings and in alinenient with rear edge adiacent to one horizontal edge, the bores therein. I

said mortised portion being counter-bore 8. A combined closer and mechn from said horizontal edge, an assembled uni anisni for doors embodying an assembled tary closer and checking mechanism mountunitary structure arranged to be inserted ed within said mortised portion, said'mech- `vWithin a mortise formed in the rear ,edge o anism embodying two tubular casing menr .the door, said structure including a common vbers in' parallel alinement and rigidly con- 4opeiaiting member for said mechanism arnected, a 'spring pressed plunger moiin on one of said casings for reciprocal moveter-bore extending into said mortised perfA mentand provided with a rackbar, a piston tion from a horizontal edge of the door.

mounted in said second casing for loigituff 9. A combined closer and checking mech dinal movement', Said Casing @Onining 'anism for doors embodying two eiongeted Huid, and valve means being providedpen. casing members arranged in paraiiei reia- "l mitting a free flow of fluid past saidpiston' tion and rigidly connected, one o said memin one direction of movement thereof, and a bers having a-pliinger-therein vprovided with restricted oiv past the piston in the oppoa toothed rafl.i bar, means engaging-,said

site direction of movement, said piston hav-v plunger andjnormallv tending to move the ing a rack bar in operative connection theresame in one direction, a pietonliaving a rack with, gearing in operative connection with member connected thereto mounted within said-rack .bars and provided with a common tiie other oisaid casing members, said seccontrolling member positioned in line Wit uid and valve ond member containing said coiinter-boredportion of the door, op `means cooperating with said fluid and piston f1,- erating means Between said controllingmemto'permit relativeiy free How of s aidiiiiid ast said piston in one direction oi move'- o erating arm having a hub member exment thereof, and a restricted flow past said tending through said counter-bored portion piston in the opposite direo'tioii of movement the door casino'.

thereof, said rack bers being disposed at relatively7 opposite portions o their respec- 6. An assemiied unitary closer and checkalined bores in their edjaoeiit faces, a 'gear in 'mechanism embodying two tubular meniin one oi said casings engaging the rack bar bers in parallel alinement andifigdly contherein and in line with said bores, a second nected, a' spring pressed reciprocating plunand aimed gear in the other of said casings,

' ton having, a rackV bar connectedfthereto ger within one of said closings providedvvith a common o eratinff shaft i'or said ears exa rack bar,a reciprocating?valved 'pistoii. tending through said bores and separable Within the other. of said casings,y said pisfrom one of said gears, and means whereby and said casing. having a fluid therein, sai

'valve'd piston being arra ged to permit a free flow of liquid therethrough.- in one direction of movement and-"a restricted ioiv vsaid shaft may be operated.

'HENRY G, VOiGHT.

Witnesses:

Givnivnomnr A. Jackson, Unas. Ernesrra. f

tive casing members, said members having ted *ranged to be. positioned in line with a coiin. 

